c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d

General

Target

c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe
Size

1.5MB
MD5

4503522033c72b6c5814d51e513ea440
SHA1

3925e8b7cac4f2991735f0feceb248cb231fa620
SHA256

c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d
SHA512

5b424c690b134b8462e08a4f480a8eb533c0c384df2de6ef6213f22bcc03a79f3ff9f8140ccbe71d211a00a2bcca7fe3ae9b03dc66f2f1f6daf256f618d59aff
SSDEEP

24576:rconAINPy/Ca+HVjU3uy5Qnzng57MqD5Xyf0ch3YfPxnjMvvqi1DlWLNhK+Dca+:bRxTJauyinz/qD5Cf0m3YxnjWv1DleNG

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
4320	rundll32.exe
4320	rundll32.exe
4700	rundll32.exe
4700	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000_Classes\Local Settings	c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 4128	3204	c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe	66
PID 3204 wrote to memory of 4128	3204	c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe	66
PID 3204 wrote to memory of 4128	3204	c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe	66
PID 4128 wrote to memory of 4320	4128	control.exe	68
PID 4128 wrote to memory of 4320	4128	control.exe	68
PID 4128 wrote to memory of 4320	4128	control.exe	68
PID 4320 wrote to memory of 3076	4320	rundll32.exe	69
PID 4320 wrote to memory of 3076	4320	rundll32.exe	69
PID 3076 wrote to memory of 4700	3076	RunDll32.exe	70
PID 3076 wrote to memory of 4700	3076	RunDll32.exe	70
PID 3076 wrote to memory of 4700	3076	RunDll32.exe	70

C:\Users\Admin\AppData\Local\Temp\c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe
"C:\Users\Admin\AppData\Local\Temp\c6639776e4a002df66ef337cb7f68f0ca81b8807545b820790d5b3fa8b8e4a4d.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\WULFLb.cPL",
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\WULFLb.cPL",
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4320
  - - C:\Windows\system32\RunDll32.exe
      C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\WULFLb.cPL",
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3076
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\WULFLb.cPL",
        5⤵
        Loads dropped DLL
        
        PID:4700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WULFLb.cPL

Filesize
1.1MB

MD5
5be2353af88df497a21801aad0e1f62f

SHA1
7eda46c7168c2ea3a40499c23c49393713ffb495

SHA256
79a78da9823e4e859c2d4dc984d6da56575479acc3806ab4d5b946fa1863aeff

SHA512
9de4cd8dd779befd7362e36cce60305071f09354088e15f337d07d791e57c07d648cb6d4794650882dedd38b4f21b1174aec37b93ceacf1d1c59c681f50b8f56

Download Submit
\Users\Admin\AppData\Local\Temp\WULFLb.cpl

Filesize
1.1MB

MD5
5be2353af88df497a21801aad0e1f62f

SHA1
7eda46c7168c2ea3a40499c23c49393713ffb495

SHA256
79a78da9823e4e859c2d4dc984d6da56575479acc3806ab4d5b946fa1863aeff

SHA512
9de4cd8dd779befd7362e36cce60305071f09354088e15f337d07d791e57c07d648cb6d4794650882dedd38b4f21b1174aec37b93ceacf1d1c59c681f50b8f56

Download Submit
\Users\Admin\AppData\Local\Temp\WULFLb.cpl

Filesize
1.1MB

MD5
5be2353af88df497a21801aad0e1f62f

SHA1
7eda46c7168c2ea3a40499c23c49393713ffb495

SHA256
79a78da9823e4e859c2d4dc984d6da56575479acc3806ab4d5b946fa1863aeff

SHA512
9de4cd8dd779befd7362e36cce60305071f09354088e15f337d07d791e57c07d648cb6d4794650882dedd38b4f21b1174aec37b93ceacf1d1c59c681f50b8f56

Download Submit
\Users\Admin\AppData\Local\Temp\WULFLb.cpl

Filesize
1.1MB

MD5
5be2353af88df497a21801aad0e1f62f

SHA1
7eda46c7168c2ea3a40499c23c49393713ffb495

SHA256
79a78da9823e4e859c2d4dc984d6da56575479acc3806ab4d5b946fa1863aeff

SHA512
9de4cd8dd779befd7362e36cce60305071f09354088e15f337d07d791e57c07d648cb6d4794650882dedd38b4f21b1174aec37b93ceacf1d1c59c681f50b8f56

Download Submit
\Users\Admin\AppData\Local\Temp\WULFLb.cpl

Filesize
1.1MB

MD5
5be2353af88df497a21801aad0e1f62f

SHA1
7eda46c7168c2ea3a40499c23c49393713ffb495

SHA256
79a78da9823e4e859c2d4dc984d6da56575479acc3806ab4d5b946fa1863aeff

SHA512
9de4cd8dd779befd7362e36cce60305071f09354088e15f337d07d791e57c07d648cb6d4794650882dedd38b4f21b1174aec37b93ceacf1d1c59c681f50b8f56

Download Submit
memory/4320-130-0x00000000045D0000-0x00000000046E6000-memory.dmp

Filesize
1.1MB

Download
memory/4320-129-0x00000000045D0000-0x00000000046E6000-memory.dmp

Filesize
1.1MB

Download
memory/4320-136-0x0000000004A10000-0x0000000004AD7000-memory.dmp

Filesize
796KB

Download
memory/4320-139-0x0000000004A10000-0x0000000004AD7000-memory.dmp

Filesize
796KB

Download
memory/4320-140-0x0000000004A10000-0x0000000004AD7000-memory.dmp

Filesize
796KB

Download
memory/4320-132-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/4320-135-0x0000000004930000-0x0000000004A0F000-memory.dmp

Filesize
892KB

Download
memory/4700-143-0x0000000000B20000-0x0000000000C36000-memory.dmp

Filesize
1.1MB

Download
memory/4700-144-0x0000000000B20000-0x0000000000C36000-memory.dmp

Filesize
1.1MB

Download
memory/4700-146-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/4700-149-0x0000000004660000-0x000000000473F000-memory.dmp

Filesize
892KB

Download
memory/4700-150-0x0000000004740000-0x0000000004807000-memory.dmp

Filesize
796KB

Download
memory/4700-153-0x0000000004740000-0x0000000004807000-memory.dmp

Filesize
796KB

Download
memory/4700-154-0x0000000004740000-0x0000000004807000-memory.dmp

Filesize
796KB

Download

Analysis

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